*{
  margin: 0;
  padding: 0;
}
.flex{
  display: flex;
}
.flex-1{
  display: flex;
  flex: 1
}
.flex-column{
  display: flex;
  flex-direction: column;
}
.line-1{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.line-2{
  display:-webkit-box;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:2;	/*要显示多少行数*/
  overflow:hidden;
}